Kristen is making lanyards for a convention. she needs to make 1,000 lanyards and knows that 1 lanyards uses 1.75 feet of cord. how much cord will kristen need?

Including 6% sales tax, an inn charges $135.68 per night. find the inns nightly cost

Which expression is equal to (21)(7)(3x) using the associative property? (21 · 7 · 3)x (7)(21)(3x) 32(7 + 3x) (3x)(7)(21)

Set $r$ is a set of rectangles such that (1) only the grid points shown here are used as vertices, (2) all sides are vertical or horizontal and (3) no two rectangles in the set are congruent. if $r$ contains the maximum possible number of rectangles given these conditions, what fraction of the rectangles in set $r$ are squares? express your answer as a common fraction.